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Equivalent & Substitute Parts for L777DFEH09POL2
Part Overview
The L777DFEH09POL2 is a 9-position D-Sub plug connector manufactured by Amphenol ICC, designed for panel mount, through-hole solder termination applications. This connector features male pins, a DE/E shell size (Size 1), and is rated for 7.5A at 300V with an operating temperature range of -55°C to 155°C. The part is currently active in production with RoHS compliance and unlimited moisture sensitivity rating (MSL 1).
Substitute parts are identified when equivalent D-Sub 9-position plug connectors share the same core electrical and mechanical specifications, including connector style, pin count, shell size, termination method, and material compliance. Substitution becomes necessary due to supply availability, manufacturing discontinuation, or design flexibility within allowable parameter ranges.
Substiute Parts
Key Parameters
| Parameter | L777DFEH09POL2 Specification |
|---|---|
| Connector Style | D-Sub |
| Connector Type | Plug, Male Pins |
| Number of Positions | 9 |
| Number of Rows | 2 |
| Shell Size, Connector Layout | 1 (DE, E) |
| Mounting Type | Panel Mount, Through Hole |
| Termination | Solder |
| Shell Material, Finish | Steel, Tin Plated |
| Contact Finish | Gold |
| Current Rating (Amps) | 7.5A |
| Voltage Rating | 300V |
| Operating Temperature | -55°C ~ 155°C |
| Material Flammability Rating | UL94 V-0 |
| RoHS Status | RoHS Compliant |
| Contact Material | Brass |
Substitute Part Grouping Explanation
Substitute parts for the L777DFEH09POL2 are grouped based on strict equivalence in the following critical parameters:
Core Electrical & Mechanical Compatibility:
- Connector style: D-Sub
- Connector type: Plug with male pins
- Position count: 9 positions in 2-row configuration
- Shell size: Size 1 (DE, E layout)
- Termination method: Solder
- Flange feature: Board-side or housing-side mounting (4-40 thread specification)
- Shell material: Steel with tin plating
- Contact finish: Gold plating
- Dielectric material: Thermoplastic or glass-filled variants
- Contact material: Brass or phosphor bronze
- Flammability: UL94 V-0 rating
- Moisture sensitivity: MSL 1 (unlimited)
Allowable Parameter Variations:
- Current rating: 6A to 7.5A (all substitutes rated ≥6A)
- Voltage rating: 125V to 300V (all substitutes rated ≥125V)
- Operating temperature: -55°C to 105°C minimum (main part extends to 155°C)
- Contact finish thickness: Flash or 30.0µin (0.76µm)
- Packaging format: Tray, tube, or bulk
- Manufacturer: Amphenol ICC, TE Connectivity, NorComp Inc.
- RoHS compliance: RoHS Compliant or ROHS3 Compliant acceptable
Substitutes are NOT equivalent if they differ in position count, shell size, connector type (plug vs. receptacle), termination method, or core mounting configuration.
Parameter Comparison
| Part Number | Manufacturer | Positions | Shell Size | Mounting Type | Current (A) | Voltage (V) | Temp Range (°C) | Shell Material | Contact Material | RoHS Status | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|---|
| L777DFEH09POL2 | Amphenol ICC | 9 | 1 (DE, E) | Panel Mount, Through Hole | 7.5 | 300 | -55 ~ 155 | Steel, Tin | Brass | RoHS Compliant | Active |
| 1-338309-2 | TE Connectivity | 9 | 1 (DE, E) | Through Hole | 6 | — | -55 ~ 105 | Steel, Tin | Phosphor Bronze | ROHS3 Compliant | Active |
| 1-5747871-3 | TE Connectivity | 9 | 1 (DE, E) | Through Hole | 6 | 125 | -55 ~ 105 | Steel, Tin | Brass | ROHS3 Compliant | Active |
| 1-5747871-4 | TE Connectivity | 9 | 1 (DE, E) | Through Hole | 6 | 125 | -55 ~ 105 | Steel, Tin | Brass | RoHS Compliant | Active |
| 1-5747871-6 | TE Connectivity | 9 | 1 (DE, E) | Through Hole | 6 | 125 | -55 ~ 105 | Steel, Tin | Brass | ROHS3 Compliant | Active |
| 1-747871-4 | TE Connectivity | 9 | 1 (DE, E) | Through Hole | 6 | 125 | -55 ~ 105 | Steel, Tin | Brass | RoHS non-compliant | Active |
| 1-747871-6 | TE Connectivity | 9 | 1 (DE, E) | Through Hole | 6 | 125 | -55 ~ 105 | Steel, Tin | Brass | ROHS3 Compliant | Active |
| 172-009-112R001 | NorComp Inc. | 9 | 1 (DE, E) | Panel Mount, Through Hole | 5 | — | -50 ~ 100 | Steel, Tin | Brass | ROHS3 Compliant | Obsolete |
| 172-E09-113R001 | NorComp Inc. | 9 | 1 (DE, E) | Panel Mount, Through Hole | 5 | — | -50 ~ 100 | Steel, Nickel | Brass | ROHS3 Compliant | Active |
| 172-E09-113R011 | NorComp Inc. | 9 | 1 (DE, E) | Panel Mount, Through Hole | 5 | — | -50 ~ 100 | Steel, Nickel | Brass | ROHS3 Compliant | Active |
| 172-E09-113R021 | NorComp Inc. | 9 | 1 (DE, E) | Panel Mount, Through Hole | 5 | — | -50 ~ 100 | Steel, Nickel | Brass | ROHS3 Compliant | Active |
Engineering Selection Recommendations
Primary Substitutes (Highest Compatibility):
The TE Connectivity AMPLIMITE HD-20 series parts (1-5747871-3, 1-5747871-4, 1-5747871-6, 1-747871-6) are functionally equivalent to the L777DFEH09POL2 for applications where the operating temperature requirement does not exceed 105°C and voltage rating of 125V is sufficient. These parts maintain the same 9-position D-Sub configuration, solder termination, steel tin-plated shell, brass contacts, and UL94 V-0 flammability rating. The current rating of 6A is within acceptable range for most panel-mount D-Sub applications. Parts 1-5747871-4 and 1-747871-6 carry RoHS or ROHS3 compliance, matching the regulatory status of the main part.
Secondary Substitutes (Application-Dependent):
The TE Connectivity AMPLIMITE HDP-20 part (1-338309-2) is suitable for through-hole mounting applications where panel-mount configuration is not required. This part uses phosphor bronze contacts instead of brass and operates to 105°C maximum. It is ROHS3 compliant and rated for 6A at an unspecified voltage rating.
The NorComp 172-E series (172-E09-113R001, 172-E09-113R011, 172-E09-113R021) provides panel-mount equivalence with the main part but operates only to 100°C maximum and is rated for 5A. These parts use nickel-plated steel shells and are ROHS3 compliant. The 172-E09-113R011 and 172-E09-113R021 variants feature board-side flange mounting identical to the L777DFEH09POL2.
Not Recommended:
The NorComp 172-009-112R001 is obsolete and should not be selected for new designs. The TE Connectivity 1-747871-4 is RoHS non-compliant and unsuitable for applications requiring RoHS certification.
Frequently Asked Questions (FAQ)
Q: Can I substitute a TE Connectivity AMPLIMITE HD-20 connector for the L777DFEH09POL2 in a high-temperature application?
A: No. The AMPLIMITE HD-20 series operates to a maximum of 105°C, while the L777DFEH09POL2 operates to 155°C. If your application requires operation above 105°C, the main part must be retained.
Q: What is the difference between the NorComp 172-E09-113R001 and 172-E09-113R011?
A: Both are 9-position D-Sub panel-mount plugs with identical electrical ratings. The primary difference is the flange feature: 172-E09-113R001 has a housing/shell flange with unthreaded mounting, while 172-E09-113R011 has a board-side flange with 4-40 threaded holes, matching the L777DFEH09POL2 configuration.
Q: Are all substitute parts RoHS compliant?
A: No. The TE Connectivity 1-747871-4 is RoHS non-compliant. All other listed substitutes are either RoHS Compliant or ROHS3 Compliant. Verify compliance requirements for your application before selection.
Q: What is the current rating difference between the main part and TE Connectivity substitutes?
A: The L777DFEH09POL2 is rated for 7.5A, while all TE Connectivity AMPLIMITE substitutes are rated for 6A. This 1.5A reduction may be acceptable for applications with lower current demands but should be verified against circuit requirements.
Q: Can I use a TE Connectivity through-hole connector (1-338309-2) in place of the panel-mount L777DFEH09POL2?
A: No. The 1-338309-2 is designed for through-hole mounting without panel-mount capability. The L777DFEH09POL2 requires panel-mount, through-hole configuration. Use NorComp 172-E series or TE Connectivity mating-side screwlock variants (1-5747871-3, 1-5747871-4, 1-5747871-6, 1-747871-6) for panel-mount equivalence.
Q: What packaging formats are available for substitute parts?
A: Substitute parts are available in multiple packaging formats: Tray (L777DFEH09POL2, NorComp 172 series), Tube (TE Connectivity 1-5747871 and 1-747871 series), and Bulk (TE Connectivity 1-747871-4). Select packaging based on procurement and inventory management requirements.
Q: Is the voltage rating difference between 125V and 300V significant for substitution?
A: Yes. The L777DFEH09POL2 is rated for 300V, while most TE Connectivity substitutes are rated for 125V. If your application operates above 125V, the main part or a higher-voltage substitute must be used. Verify actual circuit voltage requirements before substitution.
Q: What is the difference between brass and phosphor bronze contacts?
A: Both materials provide reliable electrical contact and are acceptable for D-Sub applications. Brass contacts are used in the L777DFEH09POL2 and most substitutes. Phosphor bronze is used in the TE Connectivity 1-338309-2 and offers slightly different mechanical properties. Both materials are compatible with gold plating and solder termination.
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